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ESP32 WiFi E-Ink Photo Frame

Arduino Code for Waveshare ESP32-S3 Photo Painter that allows for retrieving JPEGs and BMPs over WiFi from nginx webserver and more!

williamrigbywilliam.rigby
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Custom firmware for the Waveshare ESP32-S3-PhotoPainter, a battery-powered e-ink photo frame featuring an ESP32-S3 and a 7.3" Spectra ACeP 6-colour display (800×480). This project replaces the stock firmware with an Arduino-based sketch that fetches random images from an nginx server over WiFi, resizes and Floyd–Steinberg dithers them to the 6-colour palette, and displays them on the panel. It also reports temperature, humidity, and battery voltage to Home Assistant via MQTT.
  • 1 × ESP32-S3-PhotoPainter 7.3inch E6 Full Color E-paper Display With Solid Wood Photo Frame, Ultra-long Standby, 800 × 480 Resolution, Battery Optional

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